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Phosphomolybdate-polypyrrole composite bulk-modified carbon paste electrode for a hydrogen peroxide amperometric sensor

✍ Scribed by Xiuli Wang; Hong Zhang; Enbo Wang; Zhengbo Han; Changwen Hu


Book ID
116730234
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
258 KB
Volume
58
Category
Article
ISSN
0167-577X

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A new enzymatic amperometric sensor for hydrogen peroxide based on a modified carbon paste electrode is described. Horseradish peroxidase and ferrocene mediator were immobilized by dissolution or dispersion in a graphite-paraffin oil paste. To prevent losses of immobilized chemicals under operationa